Patents Examined by Michael J Kachmarik
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Patent number: 10835942Abstract: A method for warm forming an aluminum beam, such as an aluminum component for a vehicle, includes providing an extruded aluminum beam with a hollow cross-sectional shape. A portion of a forming die is heated to a desired temperature, so as to heat a portion of the aluminum beam in the die to a temperature below the artificial aging temperature of the aluminum beam. The heated aluminum beam is deformed to a desired shape with the die in a direction transverse to a length of the aluminum beam.Type: GrantFiled: August 25, 2017Date of Patent: November 17, 2020Assignee: Shape Corp.Inventors: Helen Weykamp, Kenneth E. McKellar, David DeVries
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Patent number: 10837080Abstract: In a rolled steel bar or rolled wire rod for a cold-forged component having a predetermined chemical composition, Y1 represented by Y1=[Mn]×[Cr] and Y2 represented by Y2=0.134×(D/25.4?(0.50×?[C]))/(0.50×?[C]) satisfy Y1>Y2, the tensile strength is 750 MPa or less, an internal structure is a ferrite-pearlite structure, and the ferrite fraction in the internal structure is 40% or greater. AMOUNT IS 0.Type: GrantFiled: November 13, 2015Date of Patent: November 17, 2020Assignee: NIPPON STEEL CORPORATIONInventors: Naoki Matsui, Yutaka Neishi, Tetsushi Chida, Akihisa Obata, Shoji Hori, Keisuke Chiba
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Patent number: 10829842Abstract: In a rolled steel bar or rolled wire rod for a cold-forged component having a predetermined chemical composition, Y1 represented by Y1=[Mn]×[Cr] and Y2 represented by Y2=0.134×(D/25.4?(0.50×?[C])/(0.50×?[C]) satisfy Y1>Y2, the tensile strength is 750 MPa or less, an internal structure is a ferrite-pearlite structure, and the ferrite fraction in the internal structure is 40% or greater.Type: GrantFiled: November 13, 2015Date of Patent: November 10, 2020Assignee: NIPPON STEEL CORPORATIONInventors: Naoki Matsui, Yutaka Neishi, Tetsushi Chida, Akihisa Obata, Shoji Hori, Keisuke Chiba
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Patent number: 10808301Abstract: A magnesium alloy is provided which does not contain a rare earth and which achieves, in a high-temperature region of about 200° C., both satisfactory mechanical properties and thermal conductivity. A magnesium alloy including Mg, Ca, Al and Si, where a content of Ca is less than 9.0 mass %, a content of Al is equal to or more than 0.5 mass % but less than 5.7 mass %, a content of Si is equal to or less than 1.3 mass % and Al+8Ca?20.5%.Type: GrantFiled: May 3, 2016Date of Patent: October 20, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Yuichi Ienaga, Masao Ishida
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Patent number: 10793934Abstract: An embodiment of a superalloy composition includes 1.5 to 4.5 wt % Al; 0.005 to 0.06 wt % B; 0.02 to 0.07 wt % C; 21.0 to 26.0 wt % Co; 11.5 to 16.0 wt % Cr; 8.50 to 19.0 wt % Ta; 0.005-0.10 wt % Zr; and balance Ni and incidental impurities.Type: GrantFiled: May 2, 2017Date of Patent: October 6, 2020Inventors: Max A. Kaplan, Xuan Liu, David Ulrich Furrer
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Patent number: 10781102Abstract: A coating source for physical vapor deposition to produce doped carbon layers. The coating source is produced by way of sintering from pulverulent components and is formed of carbon as matrix material in a proportion of at least 75 mol % and at least one dopant in a proportion in the range from 1 mol % to 25 mol %.Type: GrantFiled: March 15, 2016Date of Patent: September 22, 2020Assignee: Plansee Composite Materials GmbHInventors: Peter Polcik, Sabine Woerle, Ulrich Miller
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Patent number: 10760149Abstract: The invention provides a highly corrosion-resistant, high strength, Al-containing weathering steel plate, wherein the chemical composition comprises in weight percentages (wt %) of: C: 0.02-0.07%, Si: 0.2-1.0%, Mn: 0.2-2.2%, P?0.01%, S?0.006%, Cu: 0.2-0.5%, Cr: 0.5-3.5%, Ni: 0.2-1.2%, Al: 0.4-4.0%, N?0.005%; selectively added one or more of Nb: 0.01-0.06%, Ti: 0.01-0.10%, V: 0.02-0.10%; the balance of Fe and unavoidable impurities, wherein Al/Cr is 0.5-8.0. The steel plate has a yield strength of 350-500 MPa, an elongation of 20% or more, a relative corrosion rate of 27% or less and a good impact toughness and a low yield ratio. The present application also provides a method for manufacturing the weathering steel plate.Type: GrantFiled: December 24, 2013Date of Patent: September 1, 2020Assignee: Baoshan Iron & Steel Co., Ltd.Inventors: Fengming Song, Donghui Wen, Zigang Li, Xiaoping Hu, Ana Yang, Jianye Li
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Patent number: 10752975Abstract: A method of producing a galvannealed steel sheet includes: annealing a steel strip by conveying the steel strip through a heating zone including a direct fired furnace, a soaking zone, and a cooling zone in this order in an annealing furnace; hot-dip galvanizing the steel strip discharged from the cooling zone; and heat-alloying a galvanized coating formed on the steel strip. Mixed gas of humidified gas and dry gas is supplied into the soaking zone from at least one gas supply port located in a region of lower ½ of the soaking zone in a height direction so that a dew point measured in a region of upper ? of the soaking zone in the height direction and a dew point measured in a region of lower ? of the soaking zone in the height direction are both 20° C. or more and 0° C. or less.Type: GrantFiled: June 5, 2015Date of Patent: August 25, 2020Assignee: JFE STEEL CORPORATIONInventors: Gentaro Takeda, Masaru Miyake, Yoichi Makimizu, Yoshitsugu Suzuki, Yoshikazu Suzuki
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Patent number: 10710192Abstract: A method includes steps a) providing the first structure successively including a first substrate, a first layer made from a metal base and a first metal-based metal oxide, b) providing the second structure successively including a second substrate, a second layer made from a second material and a second metal-based metal oxide, the first and second metal oxides presenting a standard free enthalpy of formation ?G°, the second material being chosen so that it has an oxide presenting a standard free enthalpy of formation strictly less than ?G°, c) bonding the first structure and second structure by direct adhesion, d) activating diffusion of the oxygen atoms of the first and second metal oxides to the second layer so as to form the oxide of the second material.Type: GrantFiled: May 13, 2016Date of Patent: July 14, 2020Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Bruno Imbert, Lamine Benaissa, Paul Gondcharton
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Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet
Patent number: 10704115Abstract: Disclosed is a non-oriented electrical steel sheet that is low in iron loss and exhibits excellent magnetic properties even when subjected to final annealing at high temperature. The non-oriented electrical steel sheet can be obtained from a steel (low-Al steel) having a chemical composition containing, in mass %, C: 0.005% or less, Si: 1.0% to 4.5%, Mn: 0.02% to 2.0%, Sol. Al: 0.001% or less, P: 0.2% or less, S+Se: 0.0010% or less, N: 0.005% or less, O: 0.005% or less, and Cu: 0.02% to 0.30%, and the balance consisting of Fe and incidental impurities.Type: GrantFiled: October 21, 2015Date of Patent: July 7, 2020Assignee: JFE STEEL CORPORATIONInventors: Tomoyuki Okubo, Yoshihiko Oda, Tadashi Nakanishi -
Patent number: 10679780Abstract: A composite soft magnetic material includes the following components: 67.9 to 95.54 wt % of FeSiCr, 0.1 to 0.3 wt % of TiO2, 0.15 to 0.75 wt % of SiO2, 0.1 to 0.5 wt % of Mn3O4, 0.1 to 0.5 wt % of ZnO, 3.4 to 25.9 wt % of BaO, 0.4 to 3 wt % of B2O3, 0.2 to 0.85 wt % of CaO, and 0.01 to 0.3 wt % of CuO. The composite soft magnetic material has high initial permeability and high Bs, excellent temperature stability, and low temperature coefficient.Type: GrantFiled: January 8, 2018Date of Patent: June 9, 2020Assignee: Shenzhen Sunlord Electronics Co., Ltd.Inventors: Min Tan, Min Nie, Youyun Li
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Patent number: 10640838Abstract: The invention relates to a method for producing a hardened, steel component with regions of different hardness and/or ductility; a blank is stamped out and either heated in some regions to a temperature ?Ac3, and then transferred to a forming die, is formed, and is cooled at a speed that is greater than the critical hardening speed and thus hardened or is cold formed into the finished shape and the formed blank is heated in some regions to a temperature >Ac3 and then transferred to a hardening die and is hardened at a speed greater than the critical hardening speed; the steel material is adjusted in a transformation-delaying fashion so that a quench hardening through transformation of austenite into martensite takes place at a forming temperature that lies in the range from 450° C. to 700° C.; after the heating and before the forming, an active cooling takes place at >15 K/s.Type: GrantFiled: December 22, 2011Date of Patent: May 5, 2020Assignee: voestalpine Stahl GmbHInventors: Harald Schwinghammer, Andreas Sommer, Siegfried Kolnberger, Martin Rosner, Thomas Kurz
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Patent number: 10632536Abstract: An apparatus for manufacturing an article from powder material includes a canister, a sorter, a plurality of hoppers and at least one valve. The canister has a predetermined internal shape to define the shape of the powder metal article. The sorter sorts the powder material by the size of the powder particles, the shape of the powder particles and/or the flow characteristics of the powder particles. The hoppers contain powder material with different sizes of powder particles, different shapes of powder particles and/or powder particles with different flow characteristics. The hoppers are arranged to supply the sorted powder material to the canister. The at least one valve controls the proportions of the different powder materials supplied from the one or more of the different hoppers into the canister to control the packing density of the powder material in the canister at all positions in the canister.Type: GrantFiled: April 21, 2017Date of Patent: April 28, 2020Assignee: ROLLS-ROYCE plcInventors: Ian Colin Deuchar Care, Daniel Clark
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Patent number: 10589355Abstract: An improvement of coercive force of Nd—Fe—B base sintered magnet can be realized while suppressing a decrease in remanent magnetic flux density to the minimum using a method for modifying grain boundary which comprises heat-treating an Nd—Fe—B base magnet with a specific alloy disposed on its surface, the alloy having the following Formula 1: RxAyBz??(1) wherein R represents at least one rare earth element including Sc and Y, A represents Ca or Li, B represents an unavoidable impurity, and 2?x?99, 1?y<x, and 0?z<y.Type: GrantFiled: October 12, 2016Date of Patent: March 17, 2020Assignees: Nissan Motor Co., Ltd., Osaka UniversityInventors: Masaru Uenohara, Takashi Furuya, Koichi Nakazawa, Shinichirou Fujikawa, Seiji Kawai, Kenichi Machida, Genya Yamato
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Patent number: 10526686Abstract: Low-oxygen clean steel is provided containing C, Si, Mn, P, and S as chemical components, and further containing, by mass %, 0.005% to 0.20% of Al, greater than 0% to 0.0005% of Ca, 0.00005% to 0.0004% of REM, and greater than 0% to 0.003% of T.O, wherein the REM content, the Ca content, and the T.O content satisfy 0.15?REM/Ca?4.00 and Ca/T.O?0.50, nonmetallic inclusions which have a maximum predicted diameter of 1 ?m to 30 ?m measured using an extreme value statistical method under the condition in which a prediction area is 30,000 mm2, and contain Al2O3 and REM oxide are dispersed in the steel, an average proportion of the Al2O3 in the nonmetallic inclusions is greater than 50%, the REM is one or two or more of rare-earth elements La, Ce, Pr, and Nd, and the steel is Al-deoxidized steel or Al—Si-deoxidized steel.Type: GrantFiled: April 24, 2014Date of Patent: January 7, 2020Assignee: NIPPON STEEL CORPORATIONInventors: Michimasa Aono, Kenichiro Miyamoto, Masanobu Suzuki
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Patent number: 10487374Abstract: Described is a method of recovering a metal from a substrate having a metal sulphide, metal oxide, or combination thereof, by contacting the substrate with an aqueous oxidant to oxidize the metal sulphide to elemental sulphur and oxidized metal or convert the complex metal oxide to a metal salt, contacting the oxidized metal or simple metal oxide with ammonium hydroxide to form soluble a ammine complex of the metal to obtain a leachate and residual solids; separating the leachate from the residual solids; and recovering the metal.Type: GrantFiled: March 28, 2014Date of Patent: November 26, 2019Assignee: Yava Technologies Inc.Inventor: Madhav Dahal